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David Yu


Swift & Objective-C

Washington, District Of Columbia

Section title

David Yu's Email Addresses & Phone Numbers

David Yu's Work Experience

Overseas Studies & Travelling


November 2011 to July 2012

Greater Los Angeles Area


Senior Mobile Engineer

San Francisco Bay Area

We Are Envoy

Senior Mobile Developer

March 2016 to September 2016

Orange County, California Area

David Yu's Education

Wuhan University of Technology

Master, Computer Technology

2009 to 2010

University of Science and Technology Beijing

Bachelor, Mathematics and Applied Mathematics

1999 to 2004

David Yu's Professional Skills Radar Chart

Based on our findings, David Yu is ...


What's on David Yu's mind?

Based on our findings, David Yu is ...

52% Left Brained
48% Right Brained

David Yu's Estimated Salary Range

About David Yu's Current Company

Overseas Studies & Travelling

• Studies English language at L.S.I. at L.A. and traveled most cities of U.S.A. e.g., New York, San Francisco, San Diageo, Las Vegas as well as other central areas

Frequently Asked Questions about David Yu

What company does David Yu work for?

David Yu works for Overseas Studies & Travelling

What is David Yu's role at Overseas Studies & Travelling?

David Yu is Freelance

What is David Yu's personal email address?

David Yu's personal email address is e****[email protected]

What is David Yu's business email address?

David Yu's business email addresses are not available

What is David Yu's Phone Number?

David Yu's phone (206) ***-*326

What industry does David Yu work in?

David Yu works in the Computer Software industry.

Who are David Yu's colleagues?

David Yu's colleagues are Sarah Nasr, Morgan Chen, Jeff Seelbach, Natalia Guecheva, Hadley Robinson, Danna Fakhoury, Imaeyen Ibanga, and Karla Caraballo-Torres

About David Yu

📖 Summary

Freelance @ Overseas Studies & Travelling • Studies English language at L.S.I. at L.A. and traveled most cities of U.S.A. e.g., New York, San Francisco, San Diageo, Las Vegas as well as other central areas From November 2011 to July 2012 (9 months) Greater Los Angeles AreaSenior Mobile Engineer @ AJ+ • Build the native tvOS app from the scratch• Build the brand new Swift version AJ+ app• Maintain and update AJE, AJB and AJA via Objective-C and Swift • Add Protocol-Oriented programming idea into current app• Supporting Right-to-Left Languages• Create the testing code for data team via Python and Bash San Francisco Bay AreaSenior Mobile Developer @ We Are Envoy • Develop profile part in the Vizio SmartCast• Update the cache system in the app• Create the custom TextField and make the app more maintainable • Fix lots of bugs in the app From March 2016 to September 2016 (7 months) Orange County, California AreaiOS Developer @ RadPad • Add Realm for the app.• Update the message part.• Add the Component System for Radpad. From September 2015 to February 2016 (6 months) iOS Developer @ Tapiture • Develop version 2.0 and 3.0. Rebuilt the whole app couple times.• Improve the app with Swift. Add Swift new feature in the app. • Design and develop the Component System in the app.o Powerful: 90% pages can build by this systemo Flexible: everything is easy to change style and location.o Increasable: easy to add new component in ito Suitable: the page that build by this system easy be a part of other view From January 2014 to September 2015 (1 year 9 months) 701 Ocean Front Walk Unit 2 Venice, California 90291Senior Software Engineer @ BEIJING XINLIANYUNTONG TECHNOLOGY CO LTD • In charge of the full development process of mobile apps and participated in project planning, including the development of timelines and resources required;• Worked with the development team throughout all phases of the project, including requirements validation, detail design and implementation• Acted as a ‘Go-to’ senior developer for IOS platform related projects with hands-on skills as below:o Obtain Json data from the servero Submit document including text, pictures, video from the mobile to the servero Use openSSL algorithm to verify the identity of customerso Access to photos and video and edit from mobileo Obtain the geography location of mobileo Show personality of the data obtained from server at the mobileo Share the data popular digital social platformso Develop personalized animated transitions and display the animations according to client needso Realize the correct answer algorithm and optimize it in the gameo Optimize the client and server data synchronization issues between mobile and the server• Key IOS-related projects including designing an App for city security management of Beijing municipal government; an App for online store for ICBC Bank of China From July 2012 to October 2013 (1 year 4 months) Beijing City, ChinaSenior Software Engineer @ Beijing Gallop Horse Group • Oversee daily R&D, operation and project implementation of New Media Content Production Dept.• Lead team to develop a variety of weibo games, APP, e-books to meet the business demand from filming, artists and cinema management departments• Project accomplished successfully including, iPhone App and iPad e-books for several domestic films e.g. Paternity Test Secret File• Developed mobile iPhone application with sharing feature on Sina and Tencent micro-blogging public API From December 2010 to November 2011 (1 year) Beijing City, ChinaSoftware Engineer @ Beijing Eesuper Technology Co., Ltd. • Provided software products, technical support and consulting• Worked on the R&D research and on-line debugging for OA system of the Fengtai district government• Project involved including the community public service platform, and the integrated business systems for Science and Technology Commission• JAVA programming, OA system construction, MYSQL database From July 2004 to March 2009 (4 years 9 months) Beijing City, China

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In a nutshell

David Yu's Personality Type

Introversion (I), Sensing (S), Thinking (T), Perceiving (P)

Average Tenure

1 year(s), 6 month(s)

David Yu's Willingness to Change Jobs



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